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Finding the Third Proportional to 2,220,522.61 and 4,842,359.72

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Solution

The third proportional to 2,220,522.61 and 4,842,359.72 is: 10,559,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,522.61 : 4,842,359.72 = 4,842,359.72 : x
  2. Step 2: Convert to fraction form
    2,220,522.61/4,842,359.72 = 4,842,359.72/x
  3. Step 3: Cross multiply
    2,220,522.61x = 4,842,359.72 × 4,842,359.72
  4. Step 4: Simplify right side
    2,220,522.61x = 23,448,447,645,772.58
  5. Step 5: Solve for x
    x = 23,448,447,645,772.58/2,220,522.61
  6. Step 6: Final answer
    x = 10,559,877.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.